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Finding the Fourth Proportional to 585,087.80, 877,566.90 and 164,406.20

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Solution

The fourth proportional to 585,087.80, 877,566.90 and 164,406.20 is: 246,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,087.80 : 877,566.90 = 164,406.20 : x
  2. Step 2: Convert to fraction form
    585,087.80/877,566.90 = 164,406.20/x
  3. Step 3: Cross multiply
    585,087.80x = 877,566.90 × 164,406.20
  4. Step 4: Simplify right side
    585,087.80x = 144,277,439,274.78
  5. Step 5: Solve for x
    x = 144,277,439,274.78/585,087.80
  6. Step 6: Final answer
    x = 246,591.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.